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"Antioxidants"

By Shereen Jegtvig, About.com

Updated: November 7, 2007

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Definition: May protect the cells in your body from oxidative damage. As the body uses oxygen, there are by-products known as "free radicals" that can cause damage to cells. Antioxidants are known to repair these free radicals and are associated with a decreased risk of many chronic diseases. Some examples of antioxidants include beta-carotene, vitamins A, C, and E, lutein, lycopene and quercetin.

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